18090225022545

Names of 18090225022545

• Cardinal: 18090225022545 can be written as Eighteen trillion, ninety billion, two hundred twenty-five million, twenty-two thousand, five hundred forty-five.

Scientific notation

• Scientific notation: 1.8090225022545 × 10¹³

Factors of 18090225022545

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 657946059

Divisors of 18090225022545

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 9 13 15 39 45 47 65 117 141 195 235 423 585 611 705 1833 2115 3055 5499 9165 27495 657945991 1973837973 3289729955 5921513919 8553297883 9869189865 25659893649 29607569595 30923461577 42766489415 76979680947 92770384731 128299468245 154617307885 278311154193 384898404735 402005000501 463851923655 1206015001503 1391555770965 2010025002505 3618045004509 6030075007515 18090225022545
• Sum of all divisors σ(n): 34486897116672
• Sum of proper divisors (its aliquot sum) s(n): 16396672094127
• 18090225022545 is a deficient number, because the sum of its proper divisors (16396672094127) is less than itself. Its deficiency is 1693552928418

Bases of 18090225022545

• Binary: 100000111001111110101011011111011011001010001₂
• Hexadecimal: 0x1073F56FB651
• Base-36: 6EUJ8WHU9

Squares and roots of 18090225022545

• 18090225022545 squared (18090225022545²) is 327256241366313245758277025
• 18090225022545 cubed (18090225022545³) is 5920139046348905997851059120200980528625
• The square root of 18090225022545 is 4253260.5166560159
• The cube root of 18090225022545 is 26251.1292140299

Scales and comparisons

• 18,090,225,022,545 seconds is equal to 575,213 years, 10 weeks, 2 days, 10 hours, 15 minutes, 45 seconds.
• To count from 1 to 18,090,225,022,545 would take you about one million, four hundred thirty-eight thousand and thirty-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18090225022545 cubic inches would be around 2187.6 feet tall.

Recreational maths with 18090225022545

• 18090225022545 backwards is 54522052209081
• 18090225022545 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18090225022545's digits is 45
• More coming soon!